EP0467667B2 - Power supply circuit for electronic equipment - Google Patents

Power supply circuit for electronic equipment Download PDF

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Publication number
EP0467667B2
EP0467667B2 EP91306503A EP91306503A EP0467667B2 EP 0467667 B2 EP0467667 B2 EP 0467667B2 EP 91306503 A EP91306503 A EP 91306503A EP 91306503 A EP91306503 A EP 91306503A EP 0467667 B2 EP0467667 B2 EP 0467667B2
Authority
EP
European Patent Office
Prior art keywords
voltage
power supply
supply circuit
control signal
boosting circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91306503A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0467667A3 (en
EP0467667B1 (en
EP0467667A2 (en
Inventor
Motomu Hayakawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16245556&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0467667(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP0467667A2 publication Critical patent/EP0467667A2/en
Publication of EP0467667A3 publication Critical patent/EP0467667A3/en
Publication of EP0467667B1 publication Critical patent/EP0467667B1/en
Application granted granted Critical
Publication of EP0467667B2 publication Critical patent/EP0467667B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00Arrangements of electric power supplies in time pieces
EP91306503A 1990-07-18 1991-07-17 Power supply circuit for electronic equipment Expired - Lifetime EP0467667B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2189690A JP3000633B2 (ja) 1990-07-18 1990-07-18 電子機器
JP18969090 1990-07-18
JP189690/90 1990-07-18

Publications (4)

Publication Number Publication Date
EP0467667A2 EP0467667A2 (en) 1992-01-22
EP0467667A3 EP0467667A3 (en) 1992-04-15
EP0467667B1 EP0467667B1 (en) 1995-09-27
EP0467667B2 true EP0467667B2 (en) 2001-07-25

Family

ID=16245556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91306503A Expired - Lifetime EP0467667B2 (en) 1990-07-18 1991-07-17 Power supply circuit for electronic equipment

Country Status (7)

Country Link
US (1) US5130960A (ja)
EP (1) EP0467667B2 (ja)
JP (1) JP3000633B2 (ja)
KR (1) KR960005689B1 (ja)
CN (1) CN1033539C (ja)
DE (1) DE69113347T3 (ja)
HK (1) HK1007219A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049747C (zh) * 1994-02-23 2000-02-23 西铁城时计株式会社 交流电驱动器
JP3174245B2 (ja) 1994-08-03 2001-06-11 セイコーインスツルメンツ株式会社 電子制御時計
JPH0996686A (ja) * 1995-09-29 1997-04-08 Citizen Watch Co Ltd 電子時計とその充電方法
DK0848842T3 (da) * 1996-06-26 1999-11-08 Konrad Schafroth Urværk
JP3624665B2 (ja) * 1997-02-07 2005-03-02 セイコーエプソン株式会社 発電装置、充電方法および計時装置
EP1070998B1 (en) * 1999-01-06 2009-09-30 Seiko Epson Corporation Electronic apparatus and method of controlling electronic apparatus
KR20030083374A (ko) * 2002-04-22 2003-10-30 유지고하라 직류전류의 불변동분할을 가능하도록한 에너지 절약장치
US7715280B2 (en) * 2002-09-19 2010-05-11 Citizen Holdings Co., Ltd. Electronic clock
DE602005013452D1 (de) * 2004-02-26 2009-05-07 Seiko Epson Corp Steuerungseinrichtung, elektronischer apparat, ste steuerungsprogramm für eine elektronischen apparat, aufzeichnungsmedium
EP1662343B1 (en) * 2004-11-29 2009-02-25 Seiko Epson Corporation Electronic apparatus, method for detecting positions of pointer members in electronic apparatus, and a program for detecting positions of pointer members in electronic apparatus
JP4753826B2 (ja) * 2006-09-28 2011-08-24 パナソニック株式会社 多出力電源装置
WO2009069390A1 (ja) * 2007-11-26 2009-06-04 Mitsubishi Pencil Co., Ltd. シャープペンシル
JP2010233380A (ja) * 2009-03-27 2010-10-14 Seiko Epson Corp 電源供給回路及び電子デバイス
US11205382B2 (en) * 2018-11-22 2021-12-21 Novatek Microelectronics Corp. Sensing circuit for OLED driver and OLED driver using the same
CN111471002B (zh) 2020-04-22 2022-08-09 潜江永安药业股份有限公司 一种制备高纯度牛磺酸和盐的方法和系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0310916B2 (ja) * 1974-10-31 1991-02-14 Citizen Watch Co Ltd
US4060974A (en) * 1975-07-02 1977-12-06 Citizen Watch Company Limited Method and apparatus for driving electrochromic display device
JPS56500108A (ja) * 1979-03-13 1981-02-05
US4286263A (en) * 1979-08-16 1981-08-25 Lindberg Allan W Illuminated changeable-display sign
JPS5731333A (en) * 1980-07-31 1982-02-19 Suwa Seikosha Kk Power source circuit system
CH651177GA3 (ja) * 1983-09-21 1985-09-13
GB2149942B (en) * 1983-11-21 1987-03-04 Shiojiri Kogyo Kk Electronic timepiece
JPH0792506B2 (ja) * 1984-11-21 1995-10-09 セイコーエプソン株式会社 電子時計
JPH0752230B2 (ja) * 1984-03-29 1995-06-05 セイコーエプソン株式会社 電子時計
JPH0738029B2 (ja) * 1984-10-15 1995-04-26 セイコーエプソン株式会社 小型発電装置
JP2622540B2 (ja) * 1985-04-10 1997-06-18 セイコーエプソン株式会社 電子時計
KR940006915B1 (ko) * 1988-01-25 1994-07-29 세이꼬 엡슨 가부시끼가이샤 발전 장치 부착 전자 팔목시계

Also Published As

Publication number Publication date
DE69113347T2 (de) 1996-02-29
DE69113347T3 (de) 2001-10-25
DE69113347D1 (de) 1995-11-02
CN1058659A (zh) 1992-02-12
JPH0476489A (ja) 1992-03-11
JP3000633B2 (ja) 2000-01-17
CN1033539C (zh) 1996-12-11
KR960005689B1 (ko) 1996-04-30
KR920003612A (ko) 1992-02-29
US5130960A (en) 1992-07-14
HK1007219A1 (en) 1999-04-01
EP0467667A3 (en) 1992-04-15
EP0467667B1 (en) 1995-09-27
EP0467667A2 (en) 1992-01-22

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